Clamp with magnetic spindle positioner

Gear cutting – milling – or planing – Milling – Process

Reexamination Certificate

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Details

C409S225000, C269S095000, C269S008000, C269S074000, C269S276000

Reexamination Certificate

active

07108461

ABSTRACT:
A clamping apparatus includes a clamp arm that is pivotable between a raised position and a lowered position, and a clamp spindle assembly that is adjustably positionable along the length of the arm. A magnet in the clamp spindle assembly magnetically engages the clamp arm with sufficient magnetic force to maintain the spindle assembly in a selected position as the clamp arm is moved between its raised and lowered positions, while allowing the position of the clamp spindle assembly to be manually adjusted.

REFERENCES:
patent: 1801222 (1931-04-01), Cayo
patent: 1828791 (1931-10-01), Thompson
patent: 2349087 (1944-05-01), Hartley
patent: 3382742 (1968-05-01), Gibbs
patent: 3614909 (1971-10-01), Neuser
patent: 4140308 (1979-02-01), Disston et al.
patent: 4335873 (1982-06-01), Kiefer
patent: 4353167 (1982-10-01), Martin
patent: 4407493 (1983-10-01), Okolischan
patent: 5924685 (1999-07-01), Webb
patent: 6361034 (2002-03-01), Wolfe

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